unsegmented worms with elongated rounded body pointed at both ends
nematode worm
Noun
unsegmented worms with elongated rounded body pointed at both ends
nudibranch
Noun
any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body
nightwalker
Noun
terrestrial worm that burrows into and helps aerate soil
nightcrawler
Noun
terrestrial worm that burrows into and helps aerate soil
neritid
Noun
operculate seasnail of coastal waters with a short spiral shell
neritid gastropod
Noun
operculate seasnail of coastal waters with a short spiral shell
nerita
Noun
a neritid gastropod having a short smooth or spirally ridged shell with thick usually toothed outer lip and toothed operculum
neritina
Noun
ornately marked and brightly colored snails of brackish waters
nautilus
Noun
cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
nautilus
Noun
cephalopod mollusk of warm seas whose females have delicate papery spiral shells
nautilus
Noun
a submarine that is propelled by nuclear power
night heron
Noun
nocturnal or crepuscular herons
notornis
Noun
flightless New Zealand birds similar to gallinules
northern phalarope
Noun
breeds in Arctic regions of Old and New Worlds
northern storm petrel
Noun
sooty black petrel with white markings
narwhal
Noun
small Arctic whale, the male having a long spiral ivory tusk, also spelled narwhale
narwal
Noun
small Arctic whale the male having a long spiral ivory tusk
narwhale
Noun
small Arctic whale, the male having a long spiral ivory tusk, also spelled narwhal
nipper
Noun
a grasping structure on the limb of a crustacean or other arthropods
nipper
Noun
a young person of either sex
nomia
Noun
a genus of bee
neuropteran
Noun
insect having biting mouthparts and four large membranous wings with netlike veins
neuropterous insect
Noun
insect having biting mouthparts and four large membranous wings with netlike veins
neuropteron
Noun
insect having biting mouthparts and four large membranous wings with netlike veins
noctuid moth
Noun
usually dull-colored medium-sized nocturnal moth
noctuid
Noun
usually dull-colored medium-sized nocturnal moth
nymphalid
Noun
medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast
nymphalid butterfly
Noun
medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast
nymph
Noun
a larva of an insect with incomplete metamorphosis (as the dragonfly or mayfly)
nymph
Noun
(classical mythology) a minor nature goddess usually depicted as a beautiful maiden
nymph
Noun
a voluptuously beautiful young woman
nude mouse
Noun
a mouse with a genetic defect that prevents them from growing hair and also prevents them from immunologically rejecting human cells and tissues
northern bog lemming
Noun
of wet alpine and subalpine meadows of Canada and Alaska
northern pocket gopher
Noun
greyish to brown gopher of western and central United States
naked mole rat
Noun
fetal-looking colonial rodent of East Africa
nag
Noun
an old or over-worked horse
nag
Noun
someone who annoys people by constantly finding fault
nag
Verb
to remind or urge constantly
nag
Verb
to bother persistently with trivial complaints
nag
Verb
to worry persistently
nutria
Noun
aquatic South American rodent resembling a small beaver
northern flying squirrel
Noun
large flying squirrel
nonstarter
Noun
a horse that fails to run in a race for which it has been entered
nonstarter
Noun
a person with a record of failing
nyala
Noun
spiral-horned South African antelope with a fringe of white hairs along back and neck